Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Ou Ruessei
* Weather data for Ou Ruessei Cambodia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.1 | 34.5 | 38.3 | 39.8 | 39.9 | 35.0 | 33.1 | 35.0 | 31.6 | 32.7 | 31.9 | 32.5 |
| Average daytime temperature (°C) | 28.4 | 32.7 | 35.1 | 36.4 | 34.3 | 32.2 | 31.0 | 31.8 | 30.1 | 30.6 | 30.1 | 30.3 |
| Average temperature (°C) | 23.4 | 27.1 | 29.4 | 30.9 | 29.7 | 28.0 | 27.5 | 27.8 | 26.6 | 26.8 | 26.0 | 25.6 |
| Average night temperature (°C) | 18.6 | 22.0 | 23.7 | 26.4 | 26.1 | 25.2 | 25.1 | 24.9 | 24.0 | 23.8 | 22.5 | 21.4 |
| Absolute minimum temperature (°C) | 15.1 | 18.4 | 20.5 | 24.0 | 24.0 | 24.2 | 23.3 | 24.2 | 23.3 | 22.5 | 18.7 | 16.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 12.9 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.4 | 10.6 | 10.9 | 10.2 | 10.1 | 9.3 | 8.0 | 8.0 | 6.5 | 8.7 | 9.7 | 9.8 |
| Precipitation (mm) | 52 | 10 | 31 | 91 | 159 | 229 | 346 | 193 | 350 | 258 | 60 | 13 |
| Sunny days | 24 | 16 | 20 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 10 | 19 |
| Rainy days | 7 | 12 | 11 | 26 | 30 | 30 | 31 | 31 | 30 | 30 | 20 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ou Ruessei is at